Casting mold of automobile pressure plate casting suitable for vertical line production

By introducing sloping runners and reverse lap structures into the casting mold, the problem of casting defects caused by excessive molten iron flow rate was solved, achieving compact casting arrangement and efficient space utilization, and reducing production costs.

CN223916580UActive Publication Date: 2026-02-17ANHUI HAILI PRECISION CASTING CO LTD
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Patent Information

Application Number
CN202520291181.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-10-08
Filing Date
2025-02-24
Publication Date
2026-02-17
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

In existing technologies, excessively fast molten iron flow rates lead to porosity and sand hole defects in castings. Furthermore, the castings are scattered, resulting in low space utilization and increased production costs.

Method used

The system employs a sloping gating system, a first anti-lap joint, and a second anti-lap joint structure. Combined with a filter sheet to buffer the molten iron, the sloping gating system allows the castings to be arranged in an alternating pattern, reducing gaps and improving space utilization.

Benefits of technology

It effectively prevents casting defects, increases yield, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223916580U_ABST
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Abstract

The utility model discloses a casting mould of an automobile pressure plate casting suitable for vertical line production, which comprises a pouring basin, the lower part of the pouring basin is connected with a pouring gate assembly, the pouring gate assembly comprises a first vertical pouring gate, a second vertical pouring gate, a first transverse pouring gate, a second transverse pouring gate and an inclined pouring gate, the upper end of the first vertical pouring gate is communicated with the pouring basin, and the lower end of the first vertical pouring gate is communicated with the inclined pouring gate; the lower end of the inclined pouring gate is communicated with a second vertical pouring gate, a first transverse pouring gate is arranged at the joint of the first vertical pouring gate and the inclined pouring gate, a second transverse pouring gate is arranged at the bottom end of the second vertical pouring gate, and the two ends of the first transverse pouring gate and the two ends of the second transverse pouring gate are communicated with cavities used for casting castings. By arranging the inclined pouring gate, the first reverse lap joint and the second reverse lap joint, molten iron is effectively buffered, the inclined pouring gate enables castings at the two ends of the first transverse pouring gate and the second transverse pouring gate to be staggered in space, the interval between the castings is reduced, the castings are compactly arranged, and the occupied space is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile pressure disc casting, specifically to a casting mould of automobile pressure disc casting suitable for vertical line production. BACKGROUND

[0002] The utility model discloses a vertical line production vortex compressor balance block's pouring mould and pouring system are disclosed in the Chinese patent with the publication number CN220560370U, specifically to a vertical line production vortex compressor balance block's pouring mould and pouring system, including sprue cup and at least two straight sprue, straight sprue with the communication of sprue cup, straight sprue is provided with several small cross sprue from below to above, the end of small cross sprue is connected with the forming part, the modulus of small cross sprue is less than the modulus of forming part, the forming part is provided with at least two cavities, the height between each small cross sprue and each connected cavity is equal.

[0003] But the device in the molten iron when through straight sprue, because of lacking buffer and make its flow rate too fast, easy to make the casting produce air hole, sand eye and so on defect, and the layout of straight sprue makes the interval of each casting larger, and the space utilization rate is not high, thereby reduces the output rate, increases the production cost. UTILITY MODEL CONTENTS

[0004] The utility model discloses a vertical line production vortex compressor balance block's pouring mould and pouring system are disclosed in the Chinese patent with the publication number CN220560370U, specifically to a vertical line production vortex compressor balance block's pouring mould and pouring system, including sprue cup and at least two straight sprue, straight sprue with the communication of sprue cup, straight sprue is provided with several small cross sprue from below to above, the end of small cross sprue is connected with the forming part, the modulus of small cross sprue is less than the modulus of forming part, the forming part is provided with at least two cavities, the height between each small cross sprue and each connected cavity is equal.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A vertical line production automobile pressure disc casting's casting mould suitable for, including sprue cup, the lower side of sprue cup is connected with the runner assembly, and the runner assembly includes first vertical runner, second vertical runner, first horizontal runner, second horizontal runner and inclined runner, and the upper end of first vertical runner is communicated with the sprue cup, and the lower end is communicated with the inclined runner, and the lower end of the inclined runner is communicated with the second vertical runner, and the junction of first vertical runner and inclined runner is equipped with first horizontal runner, and the bottom of second vertical runner is equipped with second horizontal runner, and the two ends of first horizontal runner and second horizontal runner are communicated with the cavity for pouring casting.

[0007] Preferably, the angle between the inclined runner and the first vertical runner and the second vertical runner is in the range of 120° to 140°.

[0008] Preferably, the end of the first vertical runner close to the first horizontal runner is provided with a first reverse lap, and the end of the second vertical runner close to the second horizontal runner is provided with a second reverse lap.

[0009] Preferably, the first and second cross runners are provided with pouring risers at the connection with the cavity.

[0010] Preferably, a filter sheet is provided between the pouring basin and the first vertical runner.

[0011] Compared with the prior art, the present application has the following advantages:

[0012] The present application effectively buffers the molten iron, prevents the molten iron from forming air holes and sand holes in the castings after entering the cavity, and makes the castings staggered in space at the two ends of the first and second cross runners by the inclined runner, reduces the spacing between the castings, makes the castings compactly arranged, reduces the occupied space, effectively improves the overall yield, and reduces the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic plan view of the overall structure of the present application;

[0014] Fig. 2 is a first axonometric view of the overall structure of the present application;

[0015] Fig. 3 is a second axonometric view of the overall structure of the present application.

[0016] In the figure: 1, pouring basin; 2, filter sheet; 3, first vertical runner; 4, second vertical runner; 5, first cross runner; 6, second cross runner; 7, inclined runner; 8, casting; 9, first reverse lap; 10, second reverse lap; 11, pouring riser. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] In order to solve the problems in the prior art that the molten iron cannot be effectively buffered, and the castings are arranged dispersedly with low space utilization, the following technical solutions are given, please refer to Figs. 1-3 ;

[0019] The application relates to a casting mold for casting automobile pressure plate castings in vertical line production, which comprises a pouring basin 1 for receiving liquid metal poured from a ladle, a first vertical runner 3 for guiding the liquid metal poured from the ladle, a runner assembly connected below the pouring basin 1, the runner assembly comprising the first vertical runner 3, a second vertical runner 4, a first horizontal runner 5, a second horizontal runner 6 and an inclined runner 7, a filter sheet 2 arranged between the pouring basin 1 and the first vertical runner 3 for preliminarily filtering sand and slag in the liquid iron, a lower end of the first vertical runner 3 being communicated with the inclined runner 7, a lower end of the inclined runner 7 being communicated with the second vertical runner 4, a first horizontal runner 5 being arranged at the joint of the first vertical runner 3 and the inclined runner 7, a second horizontal runner 6 being arranged at the bottom end of the second vertical runner 4, and the two ends of the first horizontal runner 5 and the second horizontal runner 6 being communicated with a cavity for casting the castings 8.

[0020] The included angle between the inclined runner 7 and the first vertical runner 3 and the second vertical runner 4 is in the range of 120-140 degrees, the inclined runner 7 can buffer the liquid iron to prevent the castings 8 from generating pores and sand hole defects while ensuring the flow speed of the liquid iron, and the arrangement of the inclined runner 7 can stagger the cavities of the upper and lower layers in space, so that the castings 8 are arranged more compactly and the yield is higher, thereby reducing the cost.

[0021] One end of the first vertical runner 3 close to the first horizontal runner 5 is provided with a first reverse lap joint 9, one end of the second vertical runner 4 close to the second horizontal runner 6 is provided with a second reverse lap joint 10, and the first reverse lap joint 9 and the second reverse lap joint 10 can slow down the flow speed of the liquid iron, reduce the static pressure and perform secondary filtering on the dross.

[0022] The connection between the first horizontal runner 5 and the second horizontal runner 6 and the cavity is provided with a pouring riser 11 for storing the liquid iron and performing feeding to the castings 8, so as to prevent the castings 8 from generating holes, cracks or other defects.

[0023] The liquid iron needs to add a certain amount of antimony and tin elements to ensure that the tensile strength meets the requirements, C: 2.9%-3.4%, Si: 1.5%-2.6%, Mn: <0.6%-1.1%, S: <0.06%-0.12%, P: <0.15%, the alloy element tin is controlled to be less than 0.15%, and the antimony is controlled to be less than 0.1%; the liquid iron is poured at a pouring temperature greater than 1430, the cooling time of the sand box is about 50 minutes, and the mechanical property tensile strength is greater than 250-350 MPa.

[0024] Working principle: after the liquid iron enters the pouring basin 1, the pure liquid iron first enters the first vertical runner 3 through the filtering effect of the filter sheet 2, then enters the upper cavity through the first horizontal runner 5 after the first reverse lap joint 9, and the filling of the castings 8 is completed, the remaining liquid iron continues to enter the inclined runner 7, and then enters the lower two cavity through the second horizontal runner 6 after the buffering of the inclined runner 7 and the filtering of the second reverse lap joint 10, and the filling is completed.

[0025] It is to be understood that the terminology used herein such as first and second, and the like, is merely for distinguishing one entity or action from another entity or action that is discussed, and is not necessarily intended to imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application.

Claims

1. A casting mold for a cast automobile pressure plate suitable for vertical line production, comprising a sprue basin (1), characterized in that, The lower part of the sprue basin (1) is connected with a runner assembly, which comprises a first vertical runner (3), a second vertical runner (4), a first horizontal runner (5), a second horizontal runner (6) and an inclined runner (7), the upper end of the first vertical runner (3) is communicated with the sprue basin (1), the lower end is communicated with the inclined runner (7), the lower end of the inclined runner (7) is communicated with the second vertical runner (4), the junction of the first vertical runner (3) and the inclined runner (7) is provided with the first horizontal runner (5), the bottom end of the second vertical runner (4) is provided with the second horizontal runner (6), and the two ends of the first horizontal runner (5) and the second horizontal runner (6) are communicated with a cavity for casting a casting (8).

2. A casting mold for a vehicle press plate casting suitable for vertical line production according to claim 1, characterized in that, The included angle between the inclined runner (7) and the first vertical runner (3) and the second vertical runner (4) is in the range of 120° to 140°.

3. A casting mold for a vehicle press plate casting suitable for vertical line production according to claim 2, characterized in that, The first vertical runner (3) is provided with a first reverse lap (9) at one end close to the first horizontal runner (5), and the second vertical runner (4) is provided with a second reverse lap (10) at one end close to the second horizontal runner (6).

4. A casting mold for a vehicle press plate casting suitable for vertical line production according to claim 3, characterized in that, The junctions of the first horizontal runner (5) and the second horizontal runner (6) and the cavity are provided with a pouring riser (11).

5. A casting mold for a vehicle press plate casting suitable for vertical line production according to claim 4, characterized in that, The sprue basin (1) and the first vertical runner (3) are provided with a filter sheet (2).

Citation Information

Patent Citations

  • Pouring mold and pouring system for vertical line production of balance block of scroll compressor

    CN220560370U